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78115 Skiantonucci (2002 MT4)
Classification: Main-belt Asteroid          SPK-ID: 2078115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06111541558271542 4.8381e-08  
a 3.109101624489436 2.289e-08 au
q 2.919087586619868 1.5282e-07 au
i 9.889259619050062 5.8973e-06 deg
node 356.3262465505766 2.3858e-05 deg
peri 37.33310882748231 5.7116e-05 deg
M 85.55184999984934 4.882e-05 deg
tp 2458920.641635167862
(2020-Mar-12.14163517)
0.00027207 TDB
period 2002.399846874981
5.48
2.2113e-05
6.054e-08
d
yr
n .17978427263757 1.9854e-09 deg/d
Q 3.299115662359003 2.4289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      13495 days (36.95 yr)  
   first obs. used      1984-03-29  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:35:11  

Additional Information
 Earth MOID = 1.92937 au 
 Jupiter MOID = 2.00217 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457341.5 (2015-Nov-15.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05889139601692606 5.0376e-08  
q 2.924985552037782 1.5843e-07 au
tp 2456894.301358316145
(2014-Aug-24.80135832)
0.00028216 TDB
node 356.4588410654746 2.3772e-05 deg
peri 33.06702292699219 5.8233e-05 deg
i 9.912551191881061 5.9066e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      620  
   data-arc span      13495 days (36.95 yr)  
   first obs. used      1984-03-29  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:35:11  

Additional Information
 Jupiter MOID = 2.00217 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.537698976429934E-15 -7.908609590729728E-15 -7.10924667530474E-12 1.028501160178143E-14 -1.384578148422231E-12 8.570161744706741E-17
q -7.908609590729728E-15 2.510069828524133E-14 2.116452737907339E-11 -3.41174815703421E-14 4.153611933568893E-12 1.552581871036112E-15
tp -7.10924667530474E-12 2.116452737907339E-11 7.96124812514994E-8 -5.658070873916819E-11 1.501004955466096E-8 -2.291495741680727E-11
node 1.028501160178143E-14 -3.41174815703421E-14 -5.658070873916819E-11 5.651204812182265E-10 -5.670490527801418E-10 -1.118691107537523E-11
peri -1.384578148422231E-12 4.153611933568893E-12 1.501004955466096E-8 -5.670490527801418E-10 3.391050788587E-9 6.812263325777497E-12
i 8.570161744706741E-17 1.552581871036112E-15 -2.291495741680727E-11 -1.118691107537523E-11 6.812263325777497E-12 3.488778532890931E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.77   n/a MPCxxxxx  

78115 Skiantonucci           Discovered 2002 June 20 by S. F. Hoenig on NEAT images taken at Palomar.
Robert "Ski" Antonucci (b. 1954) is an astrophysicist at the University of California Santa Barbara, working on extragalactic astrophysics. He is best known for his spectro-polarimetric work on NGC 1068, which paved the way for the unification scheme of active galactic nuclei.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120831/MPCPages.arcLast Updated: 2012-09-04

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